I need the answer. (will give brainliest)

Which statement about perfect cubes is true

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items